Structure of PDB 7qgm Chain A

Receptor sequence

>7qgmA (length=516) Species: 9606 (Homo sapiens)

WELTILHTNDVHSRLEQTSEDSSKCVDASRCMGGVARLFTKVQQIRRAEP
NVLLLDAGDQYQGTIWFTVYKGAEVAHFMNALRYDAMALGNHEFDNGVEG
LIEPLLKEAKFPILSANIKAKGPLASQISGLYLPYKVLPVGDEVVGIVGY
TSKETPFLSNPGTNLVFEDEITALQPEVDKLKTLNVNKIIALGHSGFEMD
KLIAQKVRGVDVVVGGHSNTFLYTGNPPSKEVPAGKYPFIVTSDDGRKVP
VVQAYAFGKYLGYLKIEFDERGNVISSHGNPILLDSSIPEDPSIKADINK
WRIKLDDYSTQELGKTIVYLDGSSQSCRFRECNMGNLICDAMINNNLRHH
VSMCILNGGGIRSPIDERNDGTITWENLAAVLPFGGTFDLVQLKGSTLKK
AFEHSVHRYGQSTGEFLQVGGIHVVYDLSRKPGDRVVKLDVLCTKCRVPS
YDPLKMDEVYKVILPNFLANGGDGFQMIKDELLRHDSGDQDINVVSTYIS
KMKVIYPAVEGRIKFS

3D structure

• PDB: 7qgm Structure-Activity Relationship of 3-Methylcytidine-5'-alpha , beta-methylenediphosphates as CD73 Inhibitors.
• Chain: A
• Resolution: 2.9 Å

Enzymatic activity

• Enzyme Commision number: 3.1.3.35: thymidylate 5'-phosphatase.
  3.1.3.5: 5'-nucleotidase.
  3.1.3.89: 5'-deoxynucleotidase.
  3.1.3.91: 7-methylguanosine nucleotidase.
  3.1.3.99: IMP-specific 5'-nucleotidase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	ZN	A	D36 H38 D85	D10 H12 D59
BS02	ZN	A	D85 N117 H220 H243	D59 N91 H194 H217
BS03	CA	A	N213 D237 G298	N187 D211 G272
BS04	BOI	A	D85 H118 D121 L184 N186 H243 N390 R395 F417 G447 F500 D506	D59 H92 D95 L158 N160 H217 N357 R362 F384 G414 F467 D473

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0016787 hydrolase activity
• GO:0016788 hydrolase activity, acting on ester bonds
• GO:0046872 metal ion binding

Biological Process

• GO:0009166 nucleotide catabolic process

External links

• PDB: RCSB:7qgm, PDBe:7qgm, PDBj:7qgm
• PDBsum: 7qgm
• PubMed: 35080883
• UniProt: P21589|5NTD_HUMAN 5'-nucleotidase (Gene Name=NT5E)